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    • 1. 发明授权
    • Multilayer ONO structure
    • 多层ONO结构
    • US5981404A
    • 1999-11-09
    • US857734
    • 1997-05-16
    • Yi Chung ShengYi Chih LimMing Hua LiuMing-Tzong Yang
    • Yi Chung ShengYi Chih LimMing Hua LiuMing-Tzong Yang
    • H01L21/28H01L21/314H01L29/51H01L29/68
    • H01L21/28202H01L21/28238H01L21/3145H01L29/513H01L29/518Y10S438/954
    • Dielectric structures of the type that might be used in DRAMs, other memory devices, and integrated thin film transistors include repeated silicon oxide/silicon nitride layers. For example, the dielectric structure may have a silicon oxide/silicon nitride/silicon oxide/silicon nitride/silicon oxide or "ONONO" layer structure. Such repeated layer structures exhibit higher levels of breakdown voltage than more conventional "ONO" structures. Most of the growth of the five layer ONONO or more complicated dielectric structure can be accomplished in a single furnace through a series of temperature steps performed under different gas ambients. A substrate having a polysilicon lower electrode is introduced to a furnace and a lowest layer of silicon oxide is grown on the polysilicon electrode in an ammonia ambient. A first silicon nitride layer is grown in NH.sub.3 and SiH.sub.2 Cl.sub.2 and then growth of the first silicon nitride layer is interrupted by first altering or stopping the flow of reaction gases and then growing an intermediate silicon oxide layer on the first silicon nitride layer, again in an ammonia ambient. A second silicon nitride layer is then formed by reintroducing the same combination of processing gases. Growth of the second silicon nitride layer is then interrupted, and either additional repetitions of the silicon oxide/silicon nitride layer structure are formed or a surface layer of silicon oxide is grown in a steam or wet oxygen ambient.
    • 可能用于DRAM,其他存储器件和集成薄膜晶体管的类型的介质结构包括重复的氧化硅/氮化硅层。 例如,电介质结构可以具有氧化硅/氮化硅/氧化硅/氮化硅/氧化硅或“ONONO”层结构。 这种重复的层结构表现出比更传统的“ONO”结构更高的击穿电压水平。 通过在不同气体环境下进行的一系列温度步骤,可以在单个炉中实现五层ONONO或更复杂的电介质结构的大部分生长。 将具有多晶硅下电极的基板引入炉中,并且在氨气氛中在多晶硅电极上生长最低层的氧化硅。 第一氮化硅层生长在NH 3和SiH 2 Cl 2中,然后通过首先改变或停止反应气体的流动然后在第一氮化硅层上再生长中间氧化硅层,从而中断第一氮化硅层的生长 氨气。 然后通过重新引入相同的处理气体组合来形成第二氮化硅层。 然后中断第二氮化硅层的生长,并且形成氧化硅/氮化硅层结构的附加重复,或者在蒸汽或湿氧环境中生长氧化硅的表面层。
    • 4. 发明申请
    • SEMICONDUCTOR CAPACITOR
    • 半导体电容器
    • US20090160019A1
    • 2009-06-25
    • US11960950
    • 2007-12-20
    • Ming-Tzong Yang
    • Ming-Tzong Yang
    • H01L29/00
    • H01L29/94H01L23/5223H01L27/0805H01L28/86H01L2924/0002H01L2924/00
    • A capacitor structure is provided. The capacitor structure includes a plurality of first conductive lines paralleled disposed in a conductive layer on a substrate, wherein the first conductive lines are isolated to each other in the conductive layer and are grouped into a first electrode group and a second electrode group, an insulating layer formed on the first conductive lines and in the space between the first conductive lines, a second conductive line formed on the insulating layer electrically connected to the first conductive lines of the first electrode group, and a third conductive line formed on the insulating layer electrically connected to the first conductive lines of the second electrode group.
    • 提供电容器结构。 电容器结构包括多个平行布置在基板上的导电层中的第一导电线,其中第一导线在导电层中彼此隔离并分组为第一电极组和第二电极组,绝缘体 形成在第一导电线上和第一导线之间的空间中的第一导电线,形成在与第一电极组的第一导电线电连接的绝缘层上的第二导线,以及形成在绝缘层上的第三导线, 连接到第二电极组的第一导线。
    • 8. 发明授权
    • Neuron MOSFET with different interpolysilicon oxide
    • 具有不同的多晶硅氧化物的神经元MOSFET
    • US5633520A
    • 1997-05-27
    • US667609
    • 1996-06-21
    • Chung-Cheng WuMing-Tzong Yang
    • Chung-Cheng WuMing-Tzong Yang
    • H01L21/822H01L27/115H01L27/108H01L29/76H01L29/788
    • H01L27/115H01L21/8221H01L29/788Y10S148/116Y10S148/117Y10S148/163Y10S438/981
    • An MOSFET device is fabricated with a plurality of conductors capacitively coupled to a first electrode, forming a mask on the surface of the first electrode exposing a predetermined zone of the first electrode, doping the first electrode through the mask, removing the mask from the surface of the first electrode, oxidizing the first electrode to form a layer of oxide over the first electrode with a thicker layer of oxide over the predetermined zone and a thinner layer of oxide elsewhere, forming at least one electrode over the first electrode on the thinner layer of oxide outside of the zone and forming at least one other electrode over the first electrode on the thicker layer of oxide inside the zone, whereby the one electrode and the other electrode have substantially different capacitive coupling to the electrode.
    • 制造具有电容耦合到第一电极的多个导体的MOSFET器件,在第一电极的表面上形成掩模,暴露第一电极的预定区域,通过掩模掺杂第一电极,从表面去除掩模 在所述第一电极上氧化所述第一电极以在所述第一电极上形成氧化层以在所述预定区域上具有较厚的氧化物层,并且在其它地方形成更薄的氧化物层,在所述较薄层上的所述第一电极上形成至少一个电极 的氧化物,并且在所述区域内的更厚的氧化物层上在所述第一电极上方形成至少一个其它电极,由此所述一个电极和所述另一个电极具有与所述电极基本上不同的电容耦合。
    • 9. 发明授权
    • Method of making single bit erase flash EEPROM
    • 单位擦除闪存EEPROM的方法
    • US5429971A
    • 1995-07-04
    • US317016
    • 1994-10-03
    • Ming-Tzong Yang
    • Ming-Tzong Yang
    • H01L21/8247H01L27/115
    • H01L27/11521H01L27/115
    • A semiconductor transistor device on a semiconductor substrate comprises source/drain regions in the substrate. A tunnelling oxide layer combined with a gate oxide layer covers the substrate including the heavily doped regions. A pair of floating gates above the tunnelling oxide layer form source/drain relationships with three centrally located ones of the heavily doped regions. A first dielectric layer covers the floating gates. A set of control gates cover the first dielectric layer. A second dielectric layer covers the control gates. The floating gate structure, the first dielectric layer, the control gate layer and the second dielectric layer all forming with the three centrally located heavily doped regions an adjacent pair of stacked EEPROM transistor structures, with two additional, adjacent, outboard heavily doped regions. Spacers cover the tunneling oxide regions covering the second dielectric layer and the sides of the stacked structure, and a select gate line extends over the top of the spacer layer structure and in source/drain relationship with the two additional outboard heavily doped regions and the outer ones of the three centrally located heavily doped regions.
    • 半导体衬底上的半导体晶体管器件包括衬底中的源极/漏极区域。 与栅极氧化物层结合的隧道氧化物层覆盖包括重掺杂区域的衬底。 隧道氧化物层上方的一对浮动栅极与三个位于重掺杂区域的中心位置形成源极/漏极的关系。 第一介电层覆盖浮动栅极。 一组控制栅极覆盖第一介电层。 第二介电层覆盖控制门。 浮置栅极结构,第一介电层,控制栅极层和第二介电层都与三个位于中心的重掺杂区域形成相邻的一对堆叠的EEPROM晶体管结构,具有两个附加的相邻的外侧重掺杂区域。 间隔物覆盖覆盖第二电介质层和层叠结构的侧面的隧穿氧化物区域,并且选择栅极线在间隔层结构的顶部上延伸并且与两个另外的外侧重掺杂区域的源极/漏极关系延伸,并且外部 三个中心位置的重掺杂区域中的一个。
    • 10. 发明授权
    • Process for producing memory devices having narrow buried N+ lines
    • 具有窄掩埋N +线的存储器件的制造方法
    • US5418176A
    • 1995-05-23
    • US197748
    • 1994-02-17
    • Ming-Tzong YangCheng-Han HuangChen-Chiu Hsue
    • Ming-Tzong YangCheng-Han HuangChen-Chiu Hsue
    • H01L21/8246
    • H01L27/1122
    • A process of fabricating a read only memory device (ROM) wherein the buried N+lines have desirable well defined very narrow widths and are closely spaced. In the process, an insulating layer is deposited on the substrate. Openings for the buried N+lines having vertical sidewalls are formed through the insulating layer. Spacer layers are formed on the vertical sidewalls of the openings. Impurities are implanted through the openings. The insulating layers is removed and the substrate is oxidized to form silicon oxide insulation strips over the buried N+implanted regions. Next, the read only memory (ROM) device is completed by fabricating floating gates and overlying control gates between the buried N+lines interconnected by a conductive lines that are orthogonal to the buried N+buried lines.
    • 一种制造只读存储器件(ROM)的工艺,其中掩埋的N +线具有期望的良好定义非常窄的宽度并且紧密间隔开。 在该过程中,绝缘层沉积在衬底上。 通过绝缘层形成具有垂直侧壁的埋入N +线的开口。 间隔层形成在开口的垂直侧壁上。 通过开口植入杂质。 绝缘层被去除并且衬底被氧化以在掩埋的N +注入区域上形成氧化硅绝缘条。 接下来,通过在与埋置的N +掩埋线正交的导线相互连接的掩埋N +线之间制造浮动栅极和覆盖控制栅极来完成只读存储器(ROM)器件。